The purpose of the study was to explain the proportion of the variance in the level of implementation of the Performance Planning, Counseling, and Evaluation (PPC&E) program that could be attributed to the nine Probability of Adoption of Change (PAC) model constructs. Level of implementation was operationally defined as the degree to which county directors implemented the many elements of the PPC&E program. The nine PAC model constructs included: advantage probability, championship, circumstances, idea comprehensibility, opposition, practicality, strategies, superintendency, and value compatibility. / Ph. D.